Learn about this topic in these articles:

synthetic biology

...from the natural one; the slight differences kept the genome from becoming pathogenic (disease-causing) and also allowed it to be identified as artificial. The scientists dubbed this new version
M. genitalium JCVI-1.0. Having 582,970 base pairs, it was 10 times longer than any previously assembled genome.
M. genitalium JCVI-1.0 was created from 101...